Home / 88,009,666.40-132,014,499.60-80,445,173.60

Finding the Fourth Proportional to 88,009,666.40, 132,014,499.60 and 80,445,173.60

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Solution

The fourth proportional to 88,009,666.40, 132,014,499.60 and 80,445,173.60 is: 120,667,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,009,666.40 : 132,014,499.60 = 80,445,173.60 : x
  2. Step 2: Convert to fraction form
    88,009,666.40/132,014,499.60 = 80,445,173.60/x
  3. Step 3: Cross multiply
    88,009,666.40x = 132,014,499.60 × 80,445,173.60
  4. Step 4: Simplify right side
    88,009,666.40x = 10,619,929,338,039,130
  5. Step 5: Solve for x
    x = 10,619,929,338,039,130/88,009,666.40
  6. Step 6: Final answer
    x = 120,667,760.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.